ABB FEN-21 Quick Manual page 3

Setting the supply voltage X301
The supply voltage for the TTL encoder can be selected by vertically
mounted jumper as described by the following figure
TTL Encoder (X51)
+24 V
Note: If an external power supply is used, the appropriate jumper must
be removed.
Note: If another FEN interface's TTL emulation output is connected to
TTL input, the appropriate jumper must be removed.
Mounting
WARNING! Before installation, do the electrical safety precautions given
in section
Note: Before mounting the module, set the supply voltage jumpers as
described above.
Numbers in brackets refer to the layout drawing in section
connections (Page
1. Pull out the locking tab (8).
2. Insert the module carefully into the option slot until the retaining clips
lock the module into position. Option slots are located on the drive
control unit.
3. Push in the locking tab (8).
4. Fasten the screw (included) to the stand-off.
If you need to remove the adapter module after it has been installed into
the drive, use a suitable tool (e.g. small pliers) to carefully pull out the
locking tab.
Not in use
+5.5 V
Safety instructions (Page
5).
2).
Quick guide - FEN-21
3
Layout and